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ADS114S06BIRHBR Datasheet(PDF) 4 Page - Texas Instruments |
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ADS114S06BIRHBR Datasheet(HTML) 4 Page - Texas Instruments |
4 / 88 page 4 ADS114S06B, ADS114S08B SBAS852 – AUGUST 2017 www.ti.com Product Folder Links: ADS114S06B ADS114S08B Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated (1) See the Unused Inputs and Outputs section for details on how to connect unused pins. (2) General-purpose inputs and outputs use logic levels based on the analog supply. Pin Functions PIN FUNCTION DESCRIPTION(1) NO. NAME 1 AINCOM Analog input Common analog input for single-ended measurements 2 AIN5 Analog input Analog input 5 3 AIN4 Analog input Analog input 4 4 AIN3 Analog input Analog input 3 5 AIN2 Analog input Analog input 2 6 AIN1 Analog input Analog input 1 7 AIN0 Analog input Analog input 0 8 START/SYNC Digital input Start conversion 9 CS Digital input Chip select; active low 10 DIN Digital input Serial data input 11 SCLK Digital input Serial clock input 12 DOUT/DRDY Digital output Serial data output combined with data ready; active low 13 DRDY Digital output Data ready; active low 14 DGND Digital ground Digital ground 15 IOVDD Digital supply Digital I/O power supply. In case IOVDD is not tied to DVDD, connect a 100-nF (or larger) capacitor to DGND. 16 DVDD Digital supply Digital core power supply. Connect a 100-nF (or larger) capacitor to DGND. 17 CLK Digital input External clock input. Connect to DGND to use the internal oscillator. 18 RESET Digital input Reset; active low 19 GPIO3/AIN11 Analog input/output General-purpose I/O(2); analog input 11 (ADS114S08B only) 20 GPIO2/AIN10 Analog input/output General-purpose I/O(2); analog input 10 (ADS114S08B only) 21 GPIO1/AIN9 Analog input/output General-purpose I/O(2); analog input 9 (ADS114S08B only) 22 GPIO0/AIN8 Analog input/output General-purpose I/O(2); analog input 8 (ADS114S08B only) 23 REFOUT Analog output Positive voltage reference output. Connect a 1-µF to 47-µF capacitor to REFCOM if the internal voltage reference is enabled. 24 REFCOM Analog output Negative voltage reference output. Connect to AVSS. 25 NC — Leave unconnected or connect to AVSS 26 AVDD Analog supply Positive analog power supply. Connect a 330-nF (or larger) capacitor to AVSS. 27 AVSS Analog supply Negative analog power supply 28 AVSS Analog supply Negative analog power supply 29 REFN0 Analog input Negative external reference input 0 30 REFP0 Analog input Positive external reference input 0 31 REFN1/AIN7 Analog input Negative external reference input 1; analog input 7 (ADS114S08B only) 32 REFP1/AIN6 Analog input Positive external reference input 1; analog input 6 (ADS114S08B only) Pad Thermal Pad — RHB package only. Thermal power pad. Connect to AVSS. |
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